Clomid cycle 4, what next

Had my first IUI this cycle with clomid 150mg. I'm trying to plan ahead in case this cycle fails. Those of you who tried other medications, did you have success getting multiple mature follicles with gonal f injections or femara.

This was clomid cycle#4 first time with 150mg. I had 5 follicles 11-14mm and 1 follicle 25mm.

Previous cycles were similar with 1 mature follicle and few small ones. I had 3 dominant follicles on my 2nd round with clomid 100mg.